15Dependability Engineering for Data Center Infrastructures
Malik Megdiche
Schneider Electric, Grenoble, France
15.1 Introduction
Reliability engineering is defined as the science of failure. The first issues and reliability concepts appeared at the beginning of the twentieth century. Today, reliability engineering is widely used in many areas. A short history of reliability engineering is presented in Figure 15.1.
Figure 15.1 Historical development of dependability engineering during the twentieth century.
Reliability engineering uses equipment reliability statistics, probability theories, system functional analysis, and dysfunctional analysis to set requirements, measure or predict reliability, identify system weakness points, and propose improvements of the system. Various reliability engineering techniques are used in reliability engineering:
Equipment reliability analysis
Field experience reliability statistics
Reliability testing
Accelerated life testing
System reliability and availability analysis
Qualitative analysis
– Hazard risk analysis
– Failure mode and effects analysis (FMEA)
Reliability prediction
– Electronic FMEA
– Fault tree analysis
– Statistical simulations
Maintainability analysis
Integrated logic support
Reliability engineering techniques can be used for Reliability, Availability, Maintainability, and Safety purposes. As this chapter is dedicated to reliability ...
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